・ Management is practiced in accordance with QC process chart
・ It is acceptable if details of preventive measures against contamination by incorrect use or admixture are specified according to the management level of chemical substances that may cause contamination (prohibited substance or management of contained substances)
・If there is no possibility of contamination by incorrect use or admixture of ""prohibited substances as defined by the management criteria of chemical substances in products, it is acceptable if the company conducts general process control to prevent contamination by incorrect use or admixture
・ If there is a process or a material which may cause contamination by incorrect use or admixture of ""prohibited substances"" as specified in the management criteria of chemical substances in products, the company needs to undertake actions of ③~⑦ below
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